<%@ page language="java" contentType="text/html; charset=utf-8"
    pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<script type="text/javascript" src="jquery-1.7.1.min.js"></script>
<script>
$().ready(function () {
	alert("a")
	$.getJSON("http://localhost:8080/ds_api/checkUser?jsoncallback=?&username=xiangwei", function(data) { 
		console.log(data)
	});
});
</script>
<title>Insert title here</title>
</head>
<body>
11
</body>
</html>